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BOSTON MARATHON 2023

Julie Casale

Bib: 30435•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:04/mi
31:15
↑ 97↓ 3451.5%
10K· 6.21 mi
10:19/mi
1:03:19
↑ 79↓ 1380.4%
15K· 9.32 mi
10:26/mi
1:35:43
↑ 67↓ 78
20K· 12.43 mi
10:36/mi
2:08:38
↑ 106↓ 860.1%
Half· 13.11 mi
10:21/mi
2:15:42
↑ 19↓ 370.5%
25K· 15.53 mi
11:10/mi
2:42:47
↑ 66↓ 880.2%
30K· 18.64 mi
11:07/mi
3:17:20
↑ 181↓ 1480.2%
20M
11:03/mi
3:32:21
↑ 64↓ 500.2%
21M
11:42/mi
3:44:03
↑ 106↓ 241.6%
35K· 21.75 mi
11:31/mi
3:52:40
↑ 17↓ 861.7%
23M
11:24/mi
4:06:57
↑ 23↓ 630.6%
24M
10:54/mi
4:17:51
↓ 821.3%
40K· 24.85 mi
10:58/mi
4:27:14
↓ 200.3%
25.2M
11:56/mi
4:31:21
↑ 13↓ 160.2%
Finish· 26.22 mi
11:04/mi
4:42:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:42
Pace10:21 /mi
2nd Half
Distance13.11 mi
Time2:26:56
Pace11:13 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:5831:1510:0431:15
10:04
-
10K
6.21 mi12:26:021:03:1910:1132:04
10:19
+0:15
15K
9.32 mi12:58:261:35:4310:1632:24
10:26
+0:07
20K
12.43 mi13:31:212:08:3810:2132:55
10:36
+0:10
Half
13.11 mi13:38:252:15:4210:217:04
10:21
-0:15
25K
15.53 mi14:05:302:42:4710:2927:05
11:10
+0:49
30K
18.64 mi14:40:033:17:2010:3534:33
11:07
-0:03
20M
20.00 mi14:55:043:32:2110:3715:01
11:03
-0:04
21M
21.00 mi15:06:463:44:0310:4011:42
11:42
+0:39
35K
21.75 mi15:15:233:52:4010:428:37
11:31
-0:11
23M
23.00 mi15:29:404:06:5710:4414:17
11:24
-0:07
24M
24.00 mi15:40:344:17:5110:4510:54
10:54
-0:30
40K
24.85 mi15:49:574:27:1410:459:23
10:58
+0:04
25.2M
25.20 mi15:54:044:31:2110:464:07
11:56
+0:58
Finish
26.22 mi16:05:214:42:3810:4711:17
11:04
-0:52

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

10:04 /mi

Average Pace

10:47 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:02:17

64% of race

Time at Steady Pace

1:36:14

34% of race

Time at Slower Pace

4:07

1% of race

Average Pace: 10:47 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:53:5831:1510:0431:15
10:04
#23575
10K
6.21 mi12:26:021:03:1910:1132:04
10:19
#24037
15K
9.32 mi12:58:261:35:4310:1632:24
10:26
#24153
20K
12.43 mi13:31:212:08:3810:2132:55
10:36
#24117
Half
13.11 mi13:38:252:15:4210:217:04
10:21
#24109
25K
15.53 mi14:05:302:42:4710:2927:05
11:10
#24127
30K
18.64 mi14:40:033:17:2010:3534:33
11:07
#23974
20M
20.00 mi14:55:043:32:2110:3715:01
11:03
#23885
21M
21.00 mi15:06:463:44:0310:4011:42
11:42
#23807
35K
21.75 mi15:15:233:52:4010:428:37
11:31
#23822
23M
23.00 mi15:29:404:06:5710:4414:17
11:24
#23798
24M
24.00 mi15:40:344:17:5110:4510:54
10:54
#23769
40K
24.85 mi15:49:574:27:1410:459:23
10:58
#23720
25.2M
25.20 mi15:54:044:31:2110:464:07
11:56
#23700
Finish
26.22 mi16:05:214:42:3810:4711:17
11:04
#23724
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi235759689968924331(Top 91%)10076(Top 88%)10076(Top 206%)
10K6.21 mi3.10 mi24037-4629915-2269915-22624341(Top 91%)10084(Top 88%)10084(Top 206%)
15K9.32 mi3.11 mi24153-1169974-599974-5924331(Top 91%)10076(Top 88%)10076(Top 206%)
20K12.43 mi3.11 mi24117+369957+179957+1724004(Top 90%)9907(Top 87%)9907(Top 203%)
Half13.11 mi0.68 mi24109+89960-39960-323946(Top 90%)9882(Top 87%)9882(Top 202%)
25K15.53 mi2.42 mi24127-189977-179977-1724228(Top 91%)10072(Top 88%)10072(Top 206%)
30K18.64 mi3.11 mi23974+1539901+769901+7623287(Top 87%)9620(Top 84%)9620(Top 197%)
20M20.00 mi1.36 mi23885+899859+429859+4222796(Top 86%)9407(Top 82%)9407(Top 193%)
21M21.00 mi1.00 mi23807+789830+299830+2922248(Top 84%)9141(Top 80%)9141(Top 187%)
35K21.75 mi0.75 mi23822-159844-149844-1424130(Top 91%)10197(Top 89%)10197(Top 209%)
23M23.00 mi1.25 mi23798+249838+69838+623091(Top 87%)9636(Top 84%)9636(Top 197%)
24M24.00 mi1.00 mi23769+299832+69832+622864(Top 86%)9561(Top 84%)9561(Top 196%)
40K24.85 mi0.85 mi23720+499812+209812+2022313(Top 84%)9309(Top 81%)9309(Top 191%)
25.2M25.20 mi0.35 mi23700+209805+79805+722415(Top 84%)9363(Top 82%)9363(Top 192%)
Finish26.22 mi1.02 mi23724-249827-229827-2224108(Top 91%)10217(Top 89%)10217(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24331

Females

10076

F18-39

10076

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

24341

Females

10084

F18-39

10084

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24331

Females

10076

F18-39

10076

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

24004

Females

9907

F18-39

9907

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

23946

Females

9882

F18-39

9882

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

24228

Females

10072

F18-39

10072

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23287

Females

9620

F18-39

9620

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

22796

Females

9407

F18-39

9407

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

22248

Females

9141

F18-39

9141

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24130

Females

10197

F18-39

10197

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23091

Females

9636

F18-39

9636

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22864

Females

9561

F18-39

9561

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22313

Females

9309

F18-39

9309

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22415

Females

9363

F18-39

9363

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

24108

Females

10217

F18-39

10217

Passing Analysis

Category:
Athletes Passed
972
Passed By
1121
Net Change
-149
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23575
5K → 10K55517-462#23575#24037
10K → 15K75191-116#24037#24153
15K → 20K12589+36#24153#24117
20K → Half2820+8#24117#24109
Half → 25K93111-18#24109#24127
25K → 30K18431+153#24127#23974
30K → 20M989+89#23974#23885
20M → 21M9618+78#23885#23807
21M → 35K2136-15#23807#23822
35K → 23M5632+24#23822#23798
23M → 24M4011+29#23798#23769
24M → 40K556+49#23769#23720
40K → 25.2M266+20#23720#23700
25.2M → Finish2044-24#23700#23724
TOTALS9721121-149
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing